Form 10-Q - Quarterly report [Sections 13 or 15(d)]:
SEC Accession No. 0001193125-13-206376
Filing Date
2013-05-08
Accepted
2013-05-08 10:05:17
Documents
10
Period of Report
2013-03-31

Document Format Files

Seq Description Document Type Size
1 10-Q d533350d10q.htm 10-Q 187834
2 EX-31.A d533350dex31a.htm EX-31.A 9627
3 EX-31.B d533350dex31b.htm EX-31.B 9487
4 EX-32.A d533350dex32a.htm EX-32.A 4162
  Complete submission text file 0001193125-13-206376.txt   1466162

Data Files

Seq Description Document Type Size
5 XBRL INSTANCE DOCUMENT npgp-20130331.xml EX-101.INS 91969
6 XBRL TAXONOMY EXTENSION SCHEMA npgp-20130331.xsd EX-101.SCH 16294
7 XBRL TAXONOMY EXTENSION CALCULATION LINKBASE npgp-20130331_cal.xml EX-101.CAL 50816
8 XBRL TAXONOMY EXTENSION DEFINITION LINKBASE npgp-20130331_def.xml EX-101.DEF 40797
9 XBRL TAXONOMY EXTENSION LABEL LINKBASE npgp-20130331_lab.xml EX-101.LAB 190034
10 XBRL TAXONOMY EXTENSION PRESENTATION LINKBASE npgp-20130331_pre.xml EX-101.PRE 135150
Mailing Address 295 CHIPETA WAY SALT LAKE CITY UT 84108
Business Address 295 CHIPETA WAY SALT LAKE CITY UT 84108 801-583-8800
NORTHWEST PIPELINE GP (Filer) CIK: 0000110019 (see all company filings)

EIN.: 261157701 | Fiscal Year End: 1231
Type: 10-Q | Act: 34 | File No.: 001-07414 | Film No.: 13823011
SIC: 4922 Natural Gas Transmission